Subwoofer speaker



FIG. 1 is a front upper perspective view showing the subwoofer speaker of Applicants' invention.

FIG. 2 is a front elevation of the subwoofer speaker of Applicants' invention.

FIG. 3 is a right side elevation of the subwoofer speaker of Applicants' invention, the left side being a mirror image thereof.

FIG. 4 is a rear elevation of the subwoofer speaker of Applicants' invention.

FIG. 5 is a top view of the subwoofer speaker of Applicants' invention, the bottom being a mirror image thereof; and,

FIG. 6 is a rear upper perspective view showing the subwoofer speaker of Applicants' invention. 

The ornamental design for a subwoofer speaker, as shown and described. 